Compilare: user.cpp: In function ‘int main()’: user.cpp:43:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(deq[cuv.prim].empty()==0){ ^ user.cpp:44:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=deq[cuv.prim].front(); ^ user.cpp:45:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(i-x.pos>k && deq[cuv.prim].empty()==0){ ^ user.cpp:46:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] deq[cuv.prim].pop_front(); ^ user.cpp:47:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(deq[cuv.prim].empty()==0) ^ user.cpp:48:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=deq[cuv.prim].front(); ^ user.cpp:51:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(deq[cuv.prim].empty()==0) ^ user.cpp:56:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(deq[cuv.ult].empty()==0){ ^ user.cpp:57:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] y=deq[cuv.ult].back(); ^ user.cpp:58:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(y.nr<x.nr && deq[cuv.ult].empty()==0){ ^ user.cpp:59:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] deq[cuv.ult].pop_back(); ^ user.cpp:60:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(deq[cuv.ult].empty()==0) ^ user.cpp:61:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] y=deq[cuv.ult].back(); ^ user.cpp:64:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] deq[cuv.ult].push_back(x); ^ user.cpp:38:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^